freeswitch/libs/unimrcp/libs/apr-toolkit/include/apt_task_msg.h

81 lines
2.6 KiB
C

/*
* Copyright 2008 Arsen Chaloyan
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __APT_TASK_MSG_H__
#define __APT_TASK_MSG_H__
/**
* @file apt_task_msg.h
* @brief Task Message Base Definition
*/
#include "apt.h"
APT_BEGIN_EXTERN_C
/** Enumeration of task message types */
typedef enum {
TASK_MSG_CORE, /**< core task message type */
TASK_MSG_USER /**< user defined task messages start from here */
} apt_task_msg_type_e;
/** Enumeration of core task messages */
typedef enum {
CORE_TASK_MSG_NONE, /**< indefinite message */
CORE_TASK_MSG_START_COMPLETE, /**< start-complete message */
CORE_TASK_MSG_TERMINATE_REQUEST, /**< terminate-request message */
CORE_TASK_MSG_TERMINATE_COMPLETE /**< terminate-complete message */
} apt_core_task_msg_type_e;
/** Opaque task message declaration */
typedef struct apt_task_msg_t apt_task_msg_t;
/** Opaque task message pool declaration */
typedef struct apt_task_msg_pool_t apt_task_msg_pool_t;
/** Task message is used for inter task communication */
struct apt_task_msg_t {
/** Message pool the task message is allocated from */
apt_task_msg_pool_t *msg_pool;
/** Task msg type */
apt_task_msg_type_e type;
/** Task msg sub type */
int sub_type;
/** Context specific data */
char data[1];
};
/** Create pool of task messages with dynamic allocation of messages (no actual pool is created) */
APT_DECLARE(apt_task_msg_pool_t*) apt_task_msg_pool_create_dynamic(apr_size_t msg_size, apr_pool_t *pool);
/** Create pool of task messages with static allocation of messages */
APT_DECLARE(apt_task_msg_pool_t*) apt_task_msg_pool_create_static(apr_size_t msg_size, apr_size_t msg_pool_size, apr_pool_t *pool);
/** Destroy pool of task messages */
APT_DECLARE(void) apt_task_msg_pool_destroy(apt_task_msg_pool_t *msg_pool);
/** Acquire task message from task message pool */
APT_DECLARE(apt_task_msg_t*) apt_task_msg_acquire(apt_task_msg_pool_t *task_msg_pool);
/** Realese task message */
APT_DECLARE(void) apt_task_msg_release(apt_task_msg_t *task_msg);
APT_END_EXTERN_C
#endif /*__APT_TASK_MSG_H__*/